Only Windows users: Make sure Android drivers for your phone are installed in your PC. If not, you can find some drivers in this page.

Connect your smartphone to the PC.

Once the S4 is properly recognized, go to the motochopper file and launch the run.bat file.Launch run.bat on WIndows ; run.sh on OSX or Linux

Once this window pops up, click on any key to continue.

A message will appear on your Galaxy S4, to which you click OK. After a short while of waiting, you’ll be asked again to click on any key. Your S4 will restart.

Press on any key and your S4 will reboot.

If you want to check if you are already root or superuser in your Android phone or tablet you can download HowToRoot app from Google Play Store and click over the padlock in the top-right of the screen. It will show you a message about if your device is rooted or not.

Download

Download

Download sources

Remember, you must root your device at your own risk.

Other important informations to read before rooting

The rooting method presented here doesn’t work with the software version of the Galaxy S4 ending with the letters MDM. This version will be installed along with the update of about 80 megabytes. Many thanks to our community for notifying us of this!
This tutorial is exclusively designed for the Samsung Galaxy S4 GT-i9505 with the Snapdragon 600.
Disable all the antivirus applications from running on your computer.

Source

Related links

Legal conditions

Hexamob is not responsible for any damages caused directly or indirectly by a rooting method. Any action for rooting your device is done it only under your responsibility.
We recommend that you read all the instructions related to each root method and follow them step by stepas indicated by the developers. If you have any question or need support, on every page there are links to the developers of each method.